Weather on October 12
Fontana, CA
55 Years of Data
Avg High
84°F
Avg Low
56°F
Warmest
1971
83°F avg
Coldest
2009
58°F avg
About This Date
October 12th in Fontana, CA typically brings warm fall weather, with average highs around 84°F and lows near 56°F — a 28°F daily swing. Over 55 years of records, the warmest October 12th was in 1971 (83°F average), while the coldest was 2009 (58°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 7% of October 12th dates historically, with the wettest October 12th recording 0.99" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for October 12th in Fontana, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 56° | 69° | — | — |
| 2024 | 88° | 58° | 73° | — | — |
| 2023 | 87° | 55° | 71° | — | — |
| 2022 | 84° | 63° | 73° | — | — |
| 2021 | 73° | 54° | 63° | — | — |
| 2020 | 100° | 61° | 80° | — | — |
| 2019 | 87° | 49° | 68° | — | — |
| 2018 | 88° | 57° | 72° | 0.99" | — |
| 2017 | 80° | 56° | 68° | — | — |
| 2016 | 73° | 54° | 63° | — | — |
| 2015 | 95° | 71° | 83° | — | — |
| 2014 | 85° | 60° | 72° | — | — |
| 2013 | 79° | 51° | 65° | — | — |
| 2012 | 69° | 54° | 61° | — | — |
| 2011 | 100° | 60° | 80° | — | — |
| 2010 | 89° | 57° | 73° | — | — |
| 2009coldest | 64° | 51° | 58° | — | — |
| 2008 | 72° | 48° | 60° | — | — |
| 2007 | 71° | 54° | 62° | — | — |
| 2006 | 75° | 53° | 64° | — | — |
| 2005 | 83° | 54° | 68° | — | — |
| 2004 | 92° | 59° | 75° | — | — |
| 2003 | 91° | 59° | 75° | — | — |
| 2002 | 74° | 56° | 65° | — | — |
| 2001 | 91° | 53° | 72° | — | — |
| 2000 | 68° | 50° | 59° | — | — |
| 1999 | 97° | 58° | 77° | — | — |
| 1998 | 85° | 53° | 69° | — | — |
| 1997 | 77° | 53° | 65° | — | — |
| 1996 | 90° | 52° | 71° | — | — |
| 1995 | 80° | 60° | 70° | — | — |
| 1994 | 86° | 54° | 70° | — | — |
| 1993 | 83° | 63° | 73° | — | — |
| 1992 | 90° | 56° | 73° | — | — |
| 1991 | 94° | 64° | 79° | — | — |
| 1990 | 92° | 48° | 70° | — | — |
| 1989 | 83° | 58° | 70° | — | — |
| 1988 | 85° | 59° | 72° | — | — |
| 1987 | 70° | 61° | 65° | 0.76" | — |
| 1986 | 82° | 54° | 68° | — | — |
| 1985 | 79° | 50° | 64° | — | — |
| 1984 | 71° | 68° | 70° | — | — |
| 1983 | 92° | 57° | 74° | — | — |
| 1982 | 85° | 49° | 67° | — | — |
| 1981 | 69° | 49° | 59° | 0.23" | — |
| 1980 | 85° | 57° | 71° | — | — |
| 1979 | 83° | 47° | 65° | — | — |
| 1978 | 97° | 54° | 75° | — | — |
| 1977 | 92° | 58° | 75° | — | — |
| 1976 | 93° | 62° | 78° | — | — |
| 1975 | 67° | 55° | 61° | 0.08" | — |
| 1974 | 88° | 59° | 73° | — | — |
| 1973 | 84° | 45° | 64° | — | — |
| 1972 | 81° | 60° | 70° | — | — |
| 1971warmest | 100° | 66° | 83° | — | — |
55 years of data from FONTANA KAISER